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carbon-lang/toolchain/check/testdata/array/fail_bound_overflow.carbon
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Richard Smith 7553d864e1 Very basic support for constant evaluation of expressions. (#3581)
Form a side table with constant values for each instruction. Evaluation
is only supported for a few very simple kinds of instruction for now.
This is not observable outside of the SemIR output, because nothing
depends on expressions having a constant value phase yet.
2024-01-11 23:12:58 +00:00

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// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// AUTOUPDATE
// CHECK:STDERR: fail_bound_overflow.carbon:[[@LINE+3]]:8: ERROR: Invalid array expression.
// CHECK:STDERR: var a: [1; 39999999999999999993];
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~
var a: [1; 39999999999999999993];
// CHECK:STDOUT: --- fail_bound_overflow.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %.loc10_9: i32 = int_literal 1, const
// CHECK:STDOUT: %.loc10_12: i32 = int_literal 39999999999999999993, const
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace package, {.a = %a}
// CHECK:STDOUT: %.loc10_9: i32 = int_literal 1, const = constants.%.loc10_9
// CHECK:STDOUT: %.loc10_12: i32 = int_literal 39999999999999999993, const = constants.%.loc10_12
// CHECK:STDOUT: %a.var: ref <error> = var a
// CHECK:STDOUT: %a: ref <error> = bind_name a, %a.var
// CHECK:STDOUT: }
// CHECK:STDOUT: